Mengistie, Yemisrach Chanie. “Dr. The Pattern and Outcome of Upper Gastrointestinal Bleeding at St. Paul’s Millenium Medical College, Addis Ababa, Ethiopia”. Ethiopian Medical Journal 58, no. 04 (September 30, 2020). Accessed April 2, 2026. https://www.emjema.org/index.php/EMJ/article/view/1360.